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 | Nissan Truck Forum - Nissan trucks, etc. |
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11-26-2008, 06:40 PM
| #1 |
| Junior Member Join Date: Nov 2008
Posts: 4
 | 12/86 Nissan vg30 Automatic 4x4 Truck will bog up and down only around 2k rpm but ocassionaly when accelerating. I am a mechanic but this one has me stumped. Any idea's or leads would be awesome!   |
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11-28-2008, 10:58 AM
| #3 |
| Junior Member Join Date: Nov 2008
Posts: 4
| Has new plugs,cap,rotor,... And wires test good. Have tested coil and control module with known good one's. E.c.u called for a new water temp sender and I replaced it it now has no trouble codes. The O2 sensor is less than a year old as is the cat. No vacum leaks or gaskets. Fuel pressure is good and filter is new. ??????????? Last edited by ron jeremy; 11-28-2008 at 11:21 AM. |
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11-29-2008, 12:53 PM
| #4 |
| Banned Join Date: Mar 2008 Location: levittown pa
Posts: 2,197
 | i would check the maf or like sensors.. sounds like you have checked everything else besides that... |
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11-29-2008, 01:32 PM
| #5 |
| Senior Member  Join Date: Mar 2008 Location: N.Y.
Posts: 4,300
| did you scan it or use a code reader?
__________________ 4 wheels move the body 2 wheels move the soul B.W.A.I |
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11-29-2008, 03:07 PM
| #6 |
| Senior Member  Join Date: Mar 2008 Location: virginia
Posts: 131
| try pulling vacume line off your egr and re test good luck |
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